/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(NumberNames("Bobby"));
        System.out.println(NumberNames("Bobby Smith"));
        System.out.println(NumberNames("Bobby L. Smith"));
        System.out.println(NumberNames("  Bobby  Paul Smith Jr.  "));
	}
 
	public static int NumberNames(String t){
		if(t == null || t.length() == 0) return 0;
 
		return t.trim().split("\\s+").length;
	}
}

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